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RULMECA Group

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RULMECA is a family owned, worldwide Group of Companies, with headquarters in Italy and specialising…

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Upcoming Events

8. - 15. Oct. 2025

K – The world of Plastics & Rubber

Trade Fair – Düsseldorf, Germany

New Forum Topics

Where to find high-quality and reliable manufacturer of PVC conveyor belts?

Teus Tuinenburg

Problem in vibrating screwn

HORIZONTAL BELT CASSETTE

Impact from dumping to hopper

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PENKO Engineering: Weighing Automation Reloaded

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Martin Engineering - Corporate Video

Ball Mill Slide Shoe Bearings

Popular Articles

Good Vibrations: thyssenkrupp goovi® – a Revolution in Screening Technology

A Fundamental Approach to Belt Feeder Loads – How to assess loads on Feeders, (practically)

Design and Control Philosophy of the 4.7 km NMDC Downhill Conveyor in Kumaraswamy, India

BEUMER Group supports Bulk Material Terminals at Ports: Adapting to ever-changing Circumstances

Stresses in Silos Part 2: Stresses in Hoppers – Disturbances to the Stress Distribution

Stresses in Silos Part 1: Bulk Solid Properties - Stresses in the Vertical Section

Popular News

NSK Bearings lead to significant Savings at Ore Plant

Coperion raised the Specific Torque of the STS 75 Twin Screw Extruder

Ava Group and Mining3 sign Contract for Development and Deployment of new Conveyor Monitoring System

Gearless Belt Conveyor Drives – New Technology for high Capacity Systems

BEUMER Group UK opens new Head Office

Photo Gallery: SOLIDS & Recycling Technik Dortmund 2018

Mining & Quarrying

bulk solids handling Journal

Article Teaser - bsh archiv teaser

Mining with a Shortcut: A gentle Alternative to Drilling and Blasting

The deposit of Shenhua Beidian Energy is the first mine in China where surface miners are used for efficient coal mining that is gentle on the environment at the same time. The mining method has been specifically chosen because it entirely dispenses with drilling and blasting operations and the need…read more

bulk solids handling Journal

Article Teaser - bsh archiv teaser

Technical Article

Output and Availability Factors of Bucket Wheel Excavators under Actual Mining Conditions

The author defines the term "theoretical output" [bm³/h] as basic value for the assessment of the short and long time effective output [bm³/h] of bucket wheel excavators. Approximately 40 bucket wheel excavators operating in over burden on four continents, are analyzed on the…read more

bulk solids handling Journal

Article Teaser - bsh archiv teaser

Reclaiming Gold and Uranium in South Africa

Bucket wheel excavators coupled with mobile conveyor systems are used almost exclusively in open-pit operations for removing overburden and mining minerals. The purpose of this article is to describe the technically and economically successful application in a new field, viz. reclaiming sli…read more

bulk solids handling Journal

Article Teaser - bsh archiv teaser

A Mobile In-Pit Crushing System for Overburden at Iscor's Grootegeluk Coal Mine

In this paper the mobile in-pit crushing system for over burden, which was commissioned in July 1981, at lscor's Grootegeluk Coal Mine, is described. Special reference is made to some engineering aspects of the system compo nents, operating practice and an economic appraisal of the system. …read more

bulk solids handling Journal

Article Teaser - bsh archiv teaser

Technical Article

The Development of Bucket Wheel Excavators During the Last Fifty Years

This article reviews the important development steps in the manufacture of bucket wheel excavators during the past 50 years. New developments and technical improvements in the areas of crawler drives, slewing gear, the bucket wheel, and the conveyor belt of the wheel boom are presented in detail. A …read more

bulk solids handling Journal

Article Teaser - bsh archiv teaser

Technical Article

Dredging of Heavy Minerals

After a short discussion of the mining procedure used for dredging heavy minerals the current dredging techniques are reviewed Successful tun-scale tests proved that an underwater bucket wheel can be applied for dredging purposes up to depths of 100 m and that this bucket wheel shows the same favour…read more

bulk solids handling Journal

Article Teaser - bsh archiv teaser

New Developments in Continuous Mining and Materials Handling

Bulk mining and handling technologies have been affected in two ways by the soaring cost of oil and oil products in recent years. Firstly, the substitution of oil by coal, oil sands and oil shale demands the development of high-capacity mining and handling equipment and secondly, the rising fue…read more

bulk solids handling Journal

Article Teaser - bsh archiv teaser

Technical Article

Combined Mining Systems for Open Pit Mines

Production rates in opencast mines will have to be increased in the future, especially in the energy sector. Reasons for this development are an increased demand for coal, oil-sand and oil-shale, the steadily growing share of opencast mining operations as opposed to a decreasing share for undergroun…read more

bulk solids handling Journal

Article Teaser - bsh archiv teaser

A New Bucket Wheel Excavator Complex for the Goonyella Mine

A bucket wheel excavator – conveyor system – spreader complex will be put into operation in Australia for the first time in particularly difficult winning conditions. These difficulties were taken into account by the exceptional stipulations laid down for the layout of the machines. The complex …read more

bulk solids handling Journal

Article Teaser - bsh archiv teaser

Basic Design of the Bucket Wheel Excavator for the Goonyella Mine

Overburden stripping at Goonyella Mine has already reached the stage where drag lines alone cannot handle the depth or achieve the production targets required without the aid of additional (pre-stripping) equipment. Currently, a fleet of twelve scrapers is being used for this purpose but long term p…read more

bulk solids handling Journal

Article Teaser - bsh archiv teaser

Modular Walking Draglines

The development of walking drag lines is presented in the context of current operational requirements and the design and development philosophy of the new breed of modular walking drag lines is outlined in detail. read more

bulk solids handling Journal

Article Teaser - wp 490

Technical Article

Skip-Conveying in Opencast Mines – An Approach to optimise Cost and Energy Efficiency in Hard Rock Mines

A special mining method developed by thyssenkrupp allows ore and overburden in hard rock mines to be transported more efficiently and with significantly lower environmental impact. It involves an integrated conveying and processing system to avoid heavy truck transportation in inverted cone-shaped o…read more

bulk solids handling Journal

Article Teaser - wp 644

Technical Article

Seamless Integration – Automated Materials Handling for Coal-fired Power Plants

While in recent years the main focus was on optimisation of single parts like mine planning or advanced automation solutions now a seamless integration of all subsystems and an overall optimisation from the mine to the power plant is requested. read more

Parker Hannifin Banner

bulk solids handling Journal

Article Teaser - wp 688

Technical Article

In-Pit Crushing and Conveying Bench Operations – Assessing the Truckless Mining Option

In-Pit Crushing and Conveying systems are attracting global interest for their significant sustainability benefits and potential to reduce operating costs. The selection of the most appropriate materials handling system for a given operation must consider economic, social, environmental and technica…read more

bulk solids handling Journal

Article Teaser - wp 1059

East Asia’s largest Bucket Wheel Excavator – Success for Tenova Takraf’s BWE System at Zhahanaoer Mine in China

In Inner Mongolia the specialists from Leipzig-based open pit mining equipment supplier Takraf installed an excavator-conceyor-spreader system, that is aimed at improving China’s lignite mining capacity. read more

bulk solids handling Journal

Article Teaser - wp 1213

More Coal, less Problems – Wirtgen Surface Miner 2200 SM 3.8 for Chinese Coal Producer

For the further development of Chinese industry a constant and reliable supply with energy is of uttermost importance. Up to now, coal is the only energy resource availble within China in sufficient amount and therefore mostly and increasingly utilised. read more

bulk solids handling Journal

Article Teaser - wp 1479

Technical Article

Design vs. Actual – Comparison of Design and Measurement Data of a 12.4 km Overland Conveyor

his paper gives feedback on the difference between results expected at the design stage with those obtained from actual field measurements on a long overland conveyor after commissioning. The challenges faced during the project execution, risks identified and the mitigation thereof are also discusse…read more

bulk solids handling Journal

Article Teaser - empty teaser article

Technical Article

Tackling the Wall – The Skip Way System, a new Approach to Steep-Angle Conveying in Quarries and smaller Open-Pit Mines

Quarries and open-pit mines for ores, minerals or building materials are often characterized by steep terraced slopes formed by blasting and material removal. A new, energy-balanced steep-angle conveying concept is aimed to optimize operating costs and energy efficiency. read more

bulk solids handling Journal

Article Teaser - wp 2312

More economic Open Pit Mining: In-pit Crushing and Conveying System in Phosphate Mining

Phosphate is an indispensable material for growth and thriving of plants, animals and men. As phosphate ore is only available in limited supplies in very few regions of the world it is of paramount importance to make extraction of the material as sustainable as possible. read more

Parker Hannifin Banner

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